<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>user register</title>
</head>
<body>
<h1>user register</h1>
<form action="/first/test" method="post">
  username:<input type="text" name="username"><br>
  password:<input type="password" name="userpwd"><br>
  interest:
      smoke:<input type="checkbox" name="aihao" value="s">
      drink:<input type="checkbox" name="aihao" value="d">
      tangtou:<input type="checkbox" name="aihao" value="tt">
  <br>
  <input type="submit" value="register">
</form>
<a href="login.html">点击这里跳转到登录界面</a>
</body>
</html>